Home / 139,359,439.80-209,025,652.23-42,316,000.44

Finding the Fourth Proportional to 139,359,439.80, 209,025,652.23 and 42,316,000.44

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Solution

The fourth proportional to 139,359,439.80, 209,025,652.23 and 42,316,000.44 is: 63,469,899.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,359,439.80 : 209,025,652.23 = 42,316,000.44 : x
  2. Step 2: Convert to fraction form
    139,359,439.80/209,025,652.23 = 42,316,000.44/x
  3. Step 3: Cross multiply
    139,359,439.80x = 209,025,652.23 × 42,316,000.44
  4. Step 4: Simplify right side
    139,359,439.80x = 8,845,129,591,735,966
  5. Step 5: Solve for x
    x = 8,845,129,591,735,966/139,359,439.80
  6. Step 6: Final answer
    x = 63,469,899.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.